Multi-ribbed Belt
Multi-ribbed Belt
Multi-ribbed belts—also known as PK belts or serpentine belts—are widely used in automotive engines and industrial machinery due to their high power transmission efficiency, flexibility, and long service life. As a professional Multi-Ribbed Belt Manufacturer, CHIBOSS provides a full range of PK belts engineered to withstand demanding operating environments while delivering stable performance. With strong production capabilities and proven industry experience as a trusted Automotive Drive Belt Supplier, we offer consistent quality, competitive pricing, and reliable belt solutions for distributors, OEMs, and global customers.
We supply distributors, auto parts importers, and OEM manufacturers with reliable belt solutions supported by strong technical capabilities and consistent quality control.
Our belts deliver smooth, quiet, and efficient power transmission even under high load conditions.
CHIBOSS uses advanced rubber materials that resist heat, cracking, oil exposure, and long-term aging.
High-strength polyester or aramid cords reduce elongation and maintain belt tension over extended use.
We offer complete PK specifications for both automotive and industrial customers, including:
3PK / 4PK / 5PK / 6PK / 7PK / 8PK / 9PK
Lengths from small compact sizes to extra-long applications
OEM-compatible rib geometry for better grip and reduced slip
Our PK belts are designed for a wide variety of systems requiring efficient and reliable power transmission.
Alternator
Water pump
Air-conditioning compressor
Power steering pump
Idler & tensioner pulleys
Accessory drive systems in passenger cars, SUVs, and commercial vehicles
Compressors
Washing machines
Industrial fans and blowers
Agricultural equipment
Construction machinery
Packaging and assembly line equipment
CHIBOSS supports OEM/ODM projects for global customers, helping you build your own brand or expand your product category.
Rib count (3PK–12PK)
Belt length and width
Rubber compound selection (EPDM, CR, HNBR)
Tensile cord types
Special heat-resistant or anti-slip requirements
Private-label packaging and logo printing
Our engineering team can assist with specification matching, sample development, and bulk-order production planning.
To ensure stable performance and long service life, every CHIBOSS multi-ribbed belt undergoes strict quality and durability testing:
Tensile strength test
Flex fatigue resistance
High-temperature resistance
Oil & chemical resistance
Belt profile measurement
Constant-load endurance testing
These processes allow us to deliver belts that meet international standards and the requirements of major OEM customers.
Large-scale production capacity for stable supply
Competitive pricing suitable for wholesale and large-volume purchasing
Strong export experience with customers in Europe, Asia, the Middle East, South America, etc.
Fast sampling to support new product development
Low MOQ for customized branding
We support distributors looking to expand their PK belt product line and automotive component brands developing their own series of accessory belts.
Whether you need standard multi-ribbed belts or custom OEM solutions, CHIBOSS is ready to support your business with durable products and reliable service.
Request a quotation for bulk orders
Ask for free samples for testing
Build long-term OEM supply cooperation
Contact us today to start your project.
Read More
